Where: Socorro County, New Mexico (34.3° N, 106.7° W: paleocoordinates 36.8° N, 73.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Atarque Sandstone Member (Tres Hermanos Formation), Middle Turonian (93.5 - 89.3 Ma)
• from the middle part of the Atarque Sandstone Mbr.
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lenticular, fine-grained, yellow, calcareous sandstone and shale
Size classes: macrofossils, mesofossils
Collected by B. Baker in 1981
Collection methods: bulk, chemical, acetic, sieve,
• in collection of the New Mexico Bureau of Mines & Mineral Resources (NMBMMR)
Primary reference: D. L. Wolberg. 1985. Selachians from the Late Cretaceous (Turonian) Atarque Sandstone Member, Tres Hermanos Formation, Sevilleta Grant, Socorro County, New Mexico. New Mexico Geology 7(1):1-7 [M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 179267: authorized by Matthew Carrano, entered by Matthew Carrano on 09.06.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Chondrichthyes | |
Ptychodus polygyrus Agassiz 1835 elasmobranch
Ptychodus anonymus Williston 1900 elasmobranch
Ptychodus whipplei Marcou 1858 elasmobranch | |
Hybodus sp. Agassiz 1834 elasmobranch | |
Ptychotrygon triangularis Reuss 1845 ray | |
Ischyrhiza avonicola Estes 1964 ray
Ischyrhiza mira Leidy 1856 ray | |
Chiloscyllium greeni Cappetta 1973 carpet shark | |
Cretodus semiplicatus Agassiz 1843 mackerel shark | |
"Plicatolamna arcuata" = Archaeolamna kopingensis
"Plicatolamna arcuata" = Archaeolamna kopingensis Davis 1890 mackerel shark | |
"Scapanorhynchus raphiodon" = Scapanorhynchus rhaphiodon, Anomotodon sp.
"Scapanorhynchus raphiodon" = Scapanorhynchus rhaphiodon Agassiz 1843 goblin shark
Anomotodon sp. Arambourg 1952 goblin shark | |
Paranomotodon sp. Herman 1975 thresher shark | |
Squalicorax falcatus Agassiz 1843 crow shark | |
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark | |
Reptilia | |
Dinosauria indet. dinosaur | |
| |
| |
Testudines indet. Batsch 1788 turtle | |
unclassified | |
Mollusca indet. Linnaeus 1758 |